diff --git a/utils/export_records.py b/utils/export_records.py
deleted file mode 100644
index e0f6fa7..0000000
--- a/utils/export_records.py
+++ /dev/null
@@ -1,8 +0,0 @@
-import polars as pl
-import polars_hash as pl_hash
-
-pl.scan_parquet("records.parquet").with_columns(
-    pl.col("user_id").cast(pl.String).add("Lt2N5xgjJOqRsT5qVt7wWYw6SqOPZDI7")
-).with_columns(pl_hash.col("user_id").chash.sha2_256()).collect().write_parquet(
-    "records_pub.parquet"
-)
diff --git a/utils/export_regions.py b/utils/export_regions.py
deleted file mode 100644
index 086b57b..0000000
--- a/utils/export_regions.py
+++ /dev/null
@@ -1,8 +0,0 @@
-import polars as pl
-import polars_hash as pl_hash
-
-pl.scan_parquet("regions.parquet").with_columns(
-    pl.col("user_id").cast(pl.String).add("Lt2N5xgjJOqRsT5qVt7wWYw6SqOPZDI7")
-).with_columns(pl_hash.col("user_id").chash.sha2_256()).collect().write_parquet(
-    "regions_pub.parquet"
-)
diff --git a/utils/hash_userid.py b/utils/hash_userid.py
new file mode 100644
index 0000000..c9b40cc
--- /dev/null
+++ b/utils/hash_userid.py
@@ -0,0 +1,11 @@
+from sys import argv
+import polars as pl
+import polars_hash as pl_hash
+
+file = argv[1]
+
+pl.scan_parquet(file).with_columns(
+    pl.col("user_id").cast(pl.String).add("Lt2N5xgjJOqRsT5qVt7wWYw6SqOPZDI7")
+).with_columns(
+    pl_hash.col("user_id").chash.sha2_256().str.head(16)
+).collect().write_parquet(file.replace(".parquet", "_pub.parquet"))